From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0496F1B4132 for ; Thu, 5 Dec 2024 20:34:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733430845; cv=none; b=GpdQVFm3HiU+xjzipIwohJ67Ca3IoS4MNVcAFSnZrDVJaZgZn6Qv0x1QJRZQZtL0FOCa5w65l9HTx2WUlSEA6lXWr72nng/CsBttcwtPDeaW0bavXZN1+3Qd7BOkA5lA0BjQjIeFV8HzKCu2lpLS4ZP2dYZ8u+6Pchx41XfVpvU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733430845; c=relaxed/simple; bh=wPZ6h1zzkZIYT0COhyDx8uGGQnXmxoEjeu+H34L5ssY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=LLDt18pd3TAzZHG4KSK5mKRwObL1YORjkjvPJIJls93n9+j/2c5OO3XnseE1wJFA5EC/40lBFyekfRThFdmE7hNUqjiD5QuEo1XCoOGYVcslDnkRSV1Gcxs9WqLWFBs9mD6wCANbGh8oeEoJ7wm0HbfFNifmQYs60HYFZgw2YUU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3a7d87dfd9bso16847375ab.0 for ; Thu, 05 Dec 2024 12:34:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733430843; x=1734035643; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=MluN6+HqbQdo3ZFrbzEMTv0gA+HotOipTOtjXn1gAx0=; b=Soiy82zb8UsoNs8LzDfAMoLAehOgupXlTGm4cuUOur9T9sUizzvHeKnfhvS36kaEjC 5B8GnZV0A4n0GLH0YYT2d0TSvEgE/1HcFApRSW1H/4HqTGm9j99+/uO9qulhvgFgNA1D xGrbDRfdD/3E2BF+qMKDhZkag/N1Hf1iI6X2eSefwODFVlSLZd+P6iKk9d6imiUk081d Bc9g+3wCkQ69GxYbBkzfj5gdV6GbXwB/Aq3xdrIsfRR44ra7ovYCofX4JyfDHrFZD32m DWo30rod5KmhTYEBS5zJL9xX+H1Z40jysnN+YkVlCJnsEG6SzVIJTx5PkO5CfKgdjYIQ zmxg== X-Forwarded-Encrypted: i=1; AJvYcCUHq1ttDytrQTaoSw+1BG/LmxJyTeijA6mv6lDl3BZcR0Iyl9e03XsyBCDdOjb5NmIvpLFImRj8XZCCRtsR@vger.kernel.org X-Gm-Message-State: AOJu0YxQ7qvQQfEJJf+u9WcGELiNF5EmQW25rmnF3RtxbHccb/zgAyJN I6OUVRmmEmQIMt3xpZJiXUtqcGBhlCrszzArCTmr6D8GMvKYVZUGMlR+GJjFBm9WvOQNzdx8vNc aqrhhEq5hNojM6kCNwtw16F/SV+3t2VE3MV8agXu0L15TayNq+xC0fcQ= X-Google-Smtp-Source: AGHT+IH/TYc3uoyEtAeNUTNgFFu9sxhUR8Vtq6aOSXipwFIsPMiILBXStDoohsQLd+uY3SGbIhfqqLOvb4et53ZqibPhmvZ27xA0 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:19ca:b0:3a7:6c6a:e2a2 with SMTP id e9e14a558f8ab-3a811d7812cmr9580205ab.9.1733430843089; Thu, 05 Dec 2024 12:34:03 -0800 (PST) Date: Thu, 05 Dec 2024 12:34:03 -0800 In-Reply-To: <67372c5c.050a0220.1324f8.00aa.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67520e3b.050a0220.b4160.01e6.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in bch2_check_dirents From: syzbot To: brauner@kernel.org, jack@suse.cz, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d97de0d017cde0d442c3d144b4f969f43064cc0f Author: Kent Overstreet Date: Tue Aug 13 01:31:25 2024 +0000 bcachefs: Make bkey_fsck_err() a wrapper around fsck_err() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11a09330580000 start commit: cfaaa7d010d1 Merge tag 'net-6.12-rc8' of git://git.kernel... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=13a09330580000 console output: https://syzkaller.appspot.com/x/log.txt?x=15a09330580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1503500c6f615d24 dashboard link: https://syzkaller.appspot.com/bug?extid=fea0322882c0cba65f11 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112b1130580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1256ab5f980000 Reported-by: syzbot+fea0322882c0cba65f11@syzkaller.appspotmail.com Fixes: d97de0d017cd ("bcachefs: Make bkey_fsck_err() a wrapper around fsck_err()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection